NAVLE（北美执业兽医考题）Day 351
单选题，正确答案是100分，非正确答案为0分，Good Luck！
If you take an x-ray of a cat chest at 200 milliamperes for 1/10th of a second, how millliampere-seconds is the exposure?
如果你使用200毫安每1/10秒的设定给一只猫拍摄X光片，则曝光度是多少mAs？
Find out the answer by clicking on one of the listed choices. Good luck!
点击列出的选项找出答案，祝大家好运
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